APA-referens

Worboys, M., & Duckham, M. (2004). GIS: A computing perspective. CRC press.

Chicago-stil citat

Worboys, Michael, och Matt Duckham. GIS: A Computing Perspective. New York: CRC press, 2004.

MLA-referens

Worboys, Michael, och Matt Duckham. GIS: A Computing Perspective. CRC press, 2004.